This is the 257th most frequent Persian word.
کتاب
Book
Literal: کتاب refers to a physical book.
من یک کتاب جدید خریدم.
I bought a new book.
General use: کتاب represents a published work.
این نویسنده ده کتاب منتشر کرده است.
This author has published ten books.
Metaphorical: کتاب is used to symbolize a collection of life experiences.